<template>
  <div class="dashboardPage">
    <div class="top">
      <CardBox
        v-for="item in cardList"
        :key="item.value"
        :card-data="item"
        :title="item.title"
        :color="item.color"
        :background-color="item.background"
        :today-color="item.todayColor"
        class="cardbox"
      />
    </div>
    <div class="chartContainer">
      <h2>当日订单金额</h2>
      <div ref="chartMoney" class="chartMoney"></div>
      <h2>数据统计</h2>
      <div class="chartCard">
        <div class="dailyCard">
          <div class="cardContainer">
            <MiniCard
              :title="'当日订单数'"
              :precent="'日同比'"
              :nums="orderData.dayNum"
              :precent-data="orderData.dayPrecent"
            />
            <MiniCard
              :title="'当月订单数'"
              :precent="'月同比'"
              :nums="orderData.mounthNum"
              :precent-data="orderData.mounthPrecent"
            />
          </div>
          <div ref="orderTotal" class="chart"></div>
        </div>
        <div class="dailyCard">
          <div class="cardContainer">
            <MiniCard
              :title="'当日支付人数'"
              :precent="'日同比'"
              :nums="payData.dayNum"
              :precent-data="payData.dayPrecent"
            />
            <MiniCard
              :title="'当月支付人数'"
              :precent="'月同比'"
              :nums="payData.mounthNum"
              :precent-data="payData.mounthPrecent"
            />
          </div>
          <div ref="orderPeople" class="chart"></div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import CardBox from '@/views/dashboard/components/HomeCard.vue'
import MiniCard from '@/views/dashboard/components/miniCard.vue';
import {
  homeGetChartData,
  homeGetFormData
} from '@/api/home.js'
function ChartObj (ref, title) {
  this.name = ref
  this.chart = null
  this.title = title
  this.xAxis = []
  this.yAxis = []
  this.series = []
}
function CardData () {
  this.dayNum = 0
  this.dayPrecent = 0
  this.mounthNum = 0
  this.mounthPrecent = 0
}
export default {
  components: {
    CardBox,
    MiniCard
  },
  data () {
    return {
      cardList: [
        {
          title: '新增用户',
          color: '#1B55AF',
          background: '#F4F7FB',
          todayColor: '#C9D7EC',
          nums: '',
          precent: '',
          lastNums: '',
          value: 1
        },
        {
          title: '新增店铺',
          color: '#F45F20',
          background: '#FEF7F4',
          todayColor: '#FCD9CA',
          nums: '',
          precent: '',
          lastNums: '',
          value: 2
        },
        {
          title: '访客',
          color: '#427A0A',
          background: '#F2F6EE',
          todayColor: '#CFDDC0',
          nums: '',
          precent: '',
          lastNums: '',
          value: 3
        },
        {
          title: '浏览量',
          color: '#623CE7',
          background: '#F4F1FD',
          todayColor: '#D7CDF9',
          nums: '',
          precent: '',
          lastNums: '',
          value: 4
        }
      ],
      chart: [
        new ChartObj('chartMoney', '订单金额'),
        new ChartObj('orderTotal', '订单数'),
        new ChartObj('orderPeople', '订单支付人数'),
      ],
      orderData: new CardData(),
      payData: new CardData()
    }
  },
  created () {
    this.getFormData()
    this.getChartData()
  },
  mounted () {
    this.chart.forEach(item => {
      this.initChart(item)
    })
  },
  methods: {
    async getFormData () {
      const res = await homeGetFormData()
      this.cardList[0] = Object.assign(this.cardList[0], {
        nums: res.data.todayNewUser,
        precent: res.data.weekRelativeRatioNewUser,
        lastNums: res.data.yesterdayNewUser,
      })
      this.cardList[1] = Object.assign(this.cardList[1], {
        nums: res.data.todayShopCount,
        precent: res.data.weekRelativeRatioShopCount,
        lastNums: res.data.yesterdayShopCount,
      })
      this.cardList[2] = Object.assign(this.cardList[2], {
        nums: res.data.todayVisitUser,
        precent: res.data.weekRelativeRatioVisitUser,
        lastNums: res.data.yesterdayVisitUser,
      })
      this.cardList[3] = Object.assign(this.cardList[3], {
        nums: res.data.todayVisitCount,
        precent: res.data.weekRelativeRatioVisitCount,
        lastNums: res.data.yesterdayVisitCount,
      })
    },
    async getChartData () {
      const res = await homeGetChartData()
      // 过去一个月订单金额列表
      res.data.orderAmountList.forEach(item => {
        if (!item.statsDate.split) { return }
        const xAxis = `${item.statsDate.split('-')[1]}.${item.statsDate.split('-')[2]}`
        this.chart[0].xAxis.push(xAxis)
        this.chart[0].series.push(item.amount)
      })
      // 过去一个月订单量
      res.data.orderCountList.forEach(item => {
        if (!item.statsDate.split) { return }
        const xAxis = `${item.statsDate.split('-')[1]}.${item.statsDate.split('-')[2]}`
        this.chart[1].xAxis.push(xAxis)
        this.chart[1].series.push(item.totalCount)
      })
      // 过去一个月支付人数
      res.data.payUserCountList.forEach(item => {
        if (!item.statsDate.split) { return }
        const xAxis = `${item.statsDate.split('-')[1]}.${item.statsDate.split('-')[2]}`
        this.chart[2].xAxis.push(xAxis)
        this.chart[2].series.push(item.totalCount)
      })
      this.orderData = {
        dayNum: res.data.todayOrderCount || 0,
        dayPrecent: res.data.dayToDayOrderCountRelativeRate || 0,
        mounthNum: res.data.curMonthOrderCount || 0,
        mounthPrecent: res.data.monthToMonthOrderCountRelativeRate || 0
      }
      this.payData = {
        dayNum: res.data.todayPayUserCount || 0,
        dayPrecent: res.data.dayToDayPayUserCountRelativeRate || 0,
        mounthNum: res.data.curMonthPayUserCount || 0,
        mounthPrecent: res.data.monthToMonthPayUserCountRelativeRate || 0
      }
      this.paintLineChart(this.chart[0])
      this.paintLineChart(this.chart[1])
      this.paintLineChart(this.chart[2])
    },
    initChart (chartObj) {
      chartObj.chart = this.$echarts.init(this.$refs[chartObj.name])
      chartObj.chart.setOption({
        tooltip: {
          trigger: 'item',
          formatter: '{a} <br/>{b}: {c}',
          axisPointer: {
            type: 'cross',
          },
        },
      })
    },
    paintLineChart (chartObj) {
      chartObj.chart.setOption({
        color: ['#5470c6'],
        xAxis: {
          type: 'category',
          axis: 'auto',
          data: chartObj.xAxis
        },
        yAxis: {
          type: 'value',
          axisPointer: {
            snap: true
          }
        },
        series: [
          {
            name: chartObj.title,
            data: chartObj.series,
            type: 'line',
            smooth: true // 是否平滑
          }
        ]
      })
    }
  }
}
</script>

<style lang="scss" scoped>
.dashboardPage{
  width: 100%;
  .top{
    padding: 28px 10px;
    background-color: #FFF;
    display: flex;
    justify-content: space-between;
    .cardbox{
      margin: 0 10px;
      cursor: default;
      flex: 1;
    }
  }
  .chartContainer{
    margin: 20px;
    padding: 20px;
    background-color: #FFF;
    h2{
      margin: 12px 0;
      font-weight: bold;
    }
    .chartMoney{
      width: 100%;
      height: 400px;
    }
    .chartCard{
      min-height: 300px;
      display: flex;
      .dailyCard{
        flex: 1;
        padding: 12px 20px;
        .cardContainer{
          display: flex;
        }
        .chart{
          min-height: 300px;
        }
      }
    }
  }
}
</style>
